[wwwdocs] Document libstdc++ changes in GCC 14
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htdocs/gcc-14/changes.html | 48 +++++++++++++++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 1 deletion(-)
@@ -97,7 +97,53 @@ a work-in-progress.</p>
</li>
</ul>
-<!-- <h4 id="libstdcxx">Runtime Library (libstdc++)</h4> -->
+<h4 id="libstdcxx">Runtime Library (libstdc++)</h4>
+
+<ul>
+ <li>
+ The <code>libstdc++exp.a</code> library now includes all the Filesystem TS
+ symbols from the <code>libstdc++fs.a</code> library.
+ The experimental symbols for the C++23 <code>std::stacktrace</code> class
+ are also in <code>libstdc++exp.a</code>, replacing the
+ <code>libstdc++_libbacktrace.a</code> library that GCC 13 provides.
+ This means that <code>-lstdc++exp</code> is the only library needed for
+ all experimental libstdc++ features.
+ </li>
+ <li>Improved experimental support for C++20, including:
+ <ul>
+ <li><code>std::chrono::parse</code>.</li>
+ </ul>
+ </li>
+ <li>Improved experimental support for C++23, including:
+ <ul>
+ <li>The <code><stacktrace></code> header is supported by default.
+ </li>
+ <li>Formatters for <code>std::thread::id</code> and
+ <code>std::stacktrace</code>.
+ </li>
+ <li>Some range adaptors now support move-only types.</li>
+ </ul>
+ </li>
+ <li>Experimental support for C++26, including:
+ <ul>
+ <li>Native handles for <code>filebuf</code>, <code>fstream</code>, etc.</li>
+ <li><code>std::to_string</code> now uses <code>std::format</code>.</li>
+ <li>Enhanced formatting of pointers with <code>std::format</code>.</li>
+ <li>Testable result types for <code><charconv></code> functions.</li>
+ </ul>
+ </li>
+ <li>Faster numeric conversions using <code>std::to_string</code> and
+ <code>std::to_wstring</code>.
+ </li>
+ <li>Updated parallel algorithms that are compatible with oneTBB.</li>
+ <li><code>std::numeric_limits<_Float32></code> and
+ <code>std::numeric_limits<_Float64></code> are now defined
+ for all standard modes, not only for C++23.
+ </li>
+ <li>Using the <code>std::setfill</code> manipulator with
+ <code>std::istream</code> is deprecated.
+ </li>
+</ul>
<!-- <h3 id="d">D</h3> -->